{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-13204", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2025-11-14T16:52:35.957Z", "datePublished": "2025-11-14T17:02:39.529Z", "dateUpdated": "2026-10-30T18:06:36.383Z" }, "containers": { "cna": { "title": "CVE-2025-13204", "descriptions": [ { "lang": "en", "value": "npm package `expr-eval` is vulnerable to Prototype Pollution. An attacker with access to express eval interface can use JavaScript prototype-based inheritance model to achieve arbitrary code execution. The npm expr-eval-fork package resolves this issue." } ], "source": { "discovery": "EXTERNAL" }, "affected": [ { "vendor": "silentmatt", "product": "expr-eval", "versions": [ { "status": "affected", "version": "0", "lessThanOrEqual": "2.0.2", "versionType": "custom" } ] } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')" } ] } ], "references": [ { "url": "https://www.npmjs.com/package/expr-eval-fork" }, { "url": "https://github.com/silentmatt/expr-eval" }, { "url": "https://github.com/jorenbroekema/expr-eval" }, { "url": "https://www.huntr.dev/bounties/1-npm-expr-eval/", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/SECCON/SECCON2022_final_CTF/blob/main/jeopardy/web/babybox/solver/solver.py" }, { "url": "https://github.com/silentmatt/expr-eval/pull/252/files", "tags": [ "patch" ] }, { "url": "https://github.com/vladko312/extras/blob/f549d505af300fd74a01b46fab2102990ff1c14d/expr-eval.py", "tags": [ "exploit" ] } ], "x_generator": { "engine": "VINCE 3.0.28", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2025-13204" }, "metrics": [ { "other": { "type": "ssvcV2_0_0", "content": { "timestamp": "2025-11-07T15:47:01.238Z", "schemaVersion": "2.0.0", "selections": [ { "values": [ { "key": "P", "name": "Public PoC" } ], "name": "Exploitation", "version": "1.1.0", "namespace": "ssvc", "definition": "The present state of exploitation of the vulnerability.", "key": "E" }, { "values": [ { "key": "Y", "name": "Yes" } ], "name": "Automatable", "version": "2.0.0", "namespace": "ssvc", "definition": "Can an attacker reliably automate creating exploitation events for this vulnerability?", "key": "A" }, { "values": [ { "key": "T", "name": "Total" } ], "name": "Technical Impact", "version": "1.0.0", "namespace": "ssvc", "definition": "The technical impact of the vulnerability.", "key": "TI" } ] } } } ], "providerMetadata": { "orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2025-11-14T20:20:20.104Z" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-1321", "lang": "en", "description": "CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-30T18:06:32.275092Z", "id": "CVE-2025-13204", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-30T18:06:36.383Z" } } ] } }